Ade Adepitan - the Paralympian, actor and TV presenter - joins Aasmah Mir and Richard Coles. As does magician Megan Knowles-Bacon, the first ever female secretary of the Magic Circle, and ghost-writer of resignation letters Matt Potter.
JP Devlin wants your stories of resignations, sackings and grand exits (email saturdaylive@bbc.co.uk).
BBC Radio 1 presenter Gemma Cairney goes chess boxing.
And Dexter Fletcher selects his Inheritance Tracks - 'Round Midnight' by Dexter Gordon and 'Sunshine on Leith' by The Proclaimers.
Plus 12 year old William Heath tells us how he's doing his bit for Movember by posting a photo of him dressed up as a different moustachioed famous face every day for a month.
Matt Potter talks about his book 'F**k You and Goodbye: The dark and hilarious history of the resignation letter', published by Constable.
Producer: Joe Kent Editor: Karen Dalziel.